2JG2:
reference: The structure of serine palmitoyltransferase; gateway to sphingolipid biosynthesis., Yard BA, Carter LG, Johnson KA, Overton IM, Dorward M, Liu H, McMahon SA, Oke M, Puech D, Barton GJ, Naismith JH, Campopiano DJ, J Mol Biol. 2007 Jul 27;370(5):870-86. Epub 2007 May 10. PMID: 17559874

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).